If R12 contains the value 0x4000 and register R8 contains the value 0x20, the effective address (EA) of the instruction LDR R9, [R12, R8, LSL #1] is ___________. A.   EA = 0x4000   B.   EA = 0x4020   C.   EA = 0x4080   D.   EA = 0x4040   E.   EA = 0x3FC0

Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter4: Processor Technology And Architecture
Section: Chapter Questions
Problem 22VE: Two 1-bit values generate a 1 result value when a(n) _____ instruction is executed. All other input...
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If R12 contains the value 0x4000 and register R8 contains the value 0x20, the effective address (EA) of the instruction LDR R9, [R12, R8, LSL #1] is ___________.

A.
 

EA = 0x4000

 
B.
 

EA = 0x4020

 
C.
 

EA = 0x4080

 
D.
 

EA = 0x4040

 
E.
 

EA = 0x3FC0

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